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Plot vector graphics using linked list structure

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Simplifies the implementation of individual vector graphic file formats
This commit is contained in:
Robin Stuart 2018-06-10 09:16:18 +01:00
parent dddf2934fc
commit 30fcd7986c
7 changed files with 1255 additions and 2340 deletions
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16
backend/library.c
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@ -1,7 +1,7 @@
/* library.c - external functions of libzint
libzint - the open source barcode library
Copyright (C) 2009-2017 Robin Stuart <rstuart114@gmail.com>
Copyright (C) 2009-2018 Robin Stuart <rstuart114@gmail.com>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
@ -78,6 +78,7 @@ struct zint_symbol *ZBarcode_Create() {
}
extern void render_free(struct zint_symbol *symbol); /* Free render structures */
extern void vector_free(struct zint_symbol *symbol); /* Free vector structures */
void ZBarcode_Clear(struct zint_symbol *symbol) {
int i, j;
@ -100,6 +101,7 @@ void ZBarcode_Clear(struct zint_symbol *symbol) {
// If there is a rendered version, ensure its memory is released
render_free(symbol);
vector_free(symbol);
}
void ZBarcode_Delete(struct zint_symbol *symbol) {
@ -108,6 +110,7 @@ void ZBarcode_Delete(struct zint_symbol *symbol) {
// If there is a rendered version, ensure its memory is released
render_free(symbol);
vector_free(symbol);
free(symbol);
}
@ -179,8 +182,9 @@ extern int mailmark(struct zint_symbol *symbol, const unsigned char source[], co
extern int plot_raster(struct zint_symbol *symbol, int rotate_angle, int file_type); /* Plot to PNG/BMP/PCX */
extern int render_plot(struct zint_symbol *symbol, float width, float height); /* Plot to gLabels */
extern int ps_plot(struct zint_symbol *symbol); /* Plot to EPS */
extern int svg_plot(struct zint_symbol *symbol); /* Plot to SVG */
extern int vector_plot(struct zint_symbol *symbol, int rotate_angle, int file_type); /* Plot to new vector format */
//extern int ps_plot(struct zint_symbol *symbol); /* Plot to EPS */
//extern int svg_plot(struct zint_symbol *symbol); /* Plot to SVG */
extern int emf_plot(struct zint_symbol *symbol); /* Plot to Metafile */
void error_tag(char error_string[], int error_number) {
@ -1247,13 +1251,13 @@ int ZBarcode_Print(struct zint_symbol *symbol, int rotate_angle) {
error_number = dump_plot(symbol);
} else
if (!(strcmp(output, "EPS"))) {
error_number = ps_plot(symbol);
error_number = vector_plot(symbol, rotate_angle, OUT_EPS_FILE);
} else
if (!(strcmp(output, "SVG"))) {
error_number = svg_plot(symbol);
error_number = vector_plot(symbol, rotate_angle, OUT_SVG_FILE);
} else
if (!(strcmp(output, "EMF"))) {
error_number = emf_plot(symbol);
error_number = vector_plot(symbol, rotate_angle, OUT_EMF_FILE);
} else {
strcpy(symbol->errtxt, "225: Unknown output format");
error_tag(symbol->errtxt, ZINT_ERROR_INVALID_OPTION);